Global Tax Director

About the role

As Global Tax Director you will join the Global Corporate Tax team of Muehlhan Group, based in Porto, Portugal. You will act as the central knowledge hub for tax matters across the organisation, supporting the Group’s international expansion and integration of newly acquired businesses.

Key responsibilities

• Support the setup and maintenance of the Group’s corporate and inter‑company structure.
• Investigate and design cross‑border working models from tax, transfer‑pricing, risk and operational perspectives.
• Provide guidance on tax‑related matters and prepare model descriptions for future business use cases.
• Develop and enhance the organisation’s tax practices and policies.
• Manage communication with external tax advisors and specialists.
• Support tax due‑diligence, structuring and review activities related to M&A.
• Monitor international tax regulation developments across relevant jurisdictions.
• Increase internal tax awareness and offer practical solutions for inter‑company transactions.
• Support transfer‑pricing compliance and documentation obligations.
• Assess and manage permanent establishment risks in new and existing markets.
• Act as a trusted advisor, delivering optimal business solutions while mitigating tax risk exposure.

Required profile

• Senior‑level professional with extensive experience in corporate tax, transfer pricing and international tax structures.
• Proven ability to work with Finance, Operations, Legal and Sales stakeholders.
• Willingness to travel internationally (approximately 50 days per year).

Required skills